Fragrant Plum is way darker. This rose is too light to be FP. Blue Girl does not have dark buds. The buds are much lighter. Definitely not Heirloom or Royal Amethyst.. too light. Was thinking Babs, but probably too light for that one as well. And there's not guarantee that it's a Weeks rose. Could be a JP rose, or a Star, or some other producer.
Bud from BlueGirl.